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Groups > linux.debian.user > #196633 > unrolled thread
| Started by | Dave <debiantechquestions@gmx.com> |
|---|---|
| First post | 2018-06-13 15:10 +0200 |
| Last post | 2018-06-13 16:50 +0200 |
| Articles | 3 — 3 participants |
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Debian release not opening Dave <debiantechquestions@gmx.com> - 2018-06-13 15:10 +0200
Re: Debian release not opening Dan Purgert <dan@djph.net> - 2018-06-13 16:00 +0200
Re: Debian release not opening "Thomas Schmitt" <scdbackup@gmx.net> - 2018-06-13 16:50 +0200
| From | Dave <debiantechquestions@gmx.com> |
|---|---|
| Date | 2018-06-13 15:10 +0200 |
| Subject | Debian release not opening |
| Message-ID | <w0dHb-5PE-5@gated-at.bofh.it> |
i have downloaded debian-9.4.0-amd64-DVD-1.iso when i double click on it, it says cannot open. the iso debian-9.4.0-amd64-DVD-2 and iso debian-9.4.0-amd64-DVD-3 i can open and read. the same thing happened with debian 9.0.0. i am using mac pro 10.10.5 to download / open / and hopefully burn.
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| From | Dan Purgert <dan@djph.net> |
|---|---|
| Date | 2018-06-13 16:00 +0200 |
| Message-ID | <w0etA-65r-27@gated-at.bofh.it> |
| In reply to | #196633 |
Dave wrote: > i have downloaded debian-9.4.0-amd64-DVD-1.iso > > when i double click on it, it says cannot open. the iso > debian-9.4.0-amd64-DVD-2 and iso debian-9.4.0-amd64-DVD-3 It's a disc image, you should just be burning it with whatever disc mastering software your mac has ... -- |_|O|_| Registered Linux user #585947 |_|_|O| Github: https://github.com/dpurgert |O|O|O| PGP: 05CA 9A50 3F2E 1335 4DC5 4AEE 8E11 DDF3 1279 A281
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| From | "Thomas Schmitt" <scdbackup@gmx.net> |
|---|---|
| Date | 2018-06-13 16:50 +0200 |
| Message-ID | <w0ffX-6zY-11@gated-at.bofh.it> |
| In reply to | #196633 |
Hi,
Dave wrote:
> i have downloaded debian-9.4.0-amd64-DVD-1.iso
> when i double click on it, it says cannot open. the iso
> debian-9.4.0-amd64-DVD-2 and iso debian-9.4.0-amd64-DVD-3
> i can open and read. the same thing happened with debian 9.0.0.
> i am using mac pro 10.10.5 to download / open / and hopefully burn.
While waiting for the ISO to arrive, i dig in old memories.
Several years ago, there was a report about an i386 DVD-1 on Mac
"Snow Leopard":
https://lists.debian.org/debian-cd/2011/04/msg00029.html
Proposal to remove USB stick equipment:
https://lists.debian.org/debian-cd/2011/04/msg00040.html
Confirmation of success:
https://lists.debian.org/debian-cd/2011/04/msg00042.html
Proposal of quicker workaround:
https://lists.debian.org/debian-cd/2011/04/msg00045.html
Beginning theory about partition offset 16:
https://lists.debian.org/debian-cd/2011/04/msg00060.html
Confirmation (?) of that theory:
https://lists.debian.org/debian-cd/2011/04/msg00061.html
It once even had an Apple Bug Id:
https://lists.debian.org/debian-cd/2011/04/msg00066.html
Partition offset 16 was later disabled in debian-cd because of a xorriso
bug which has been fixed soon after. So i wonder ...
Ah. Download completed.
$ xorriso -indev debian-9.4.0-amd64-DVD-1.iso -report_system_area plain
...
Partition offset : 0
...
So this time it is not about partition offset.
Nevertheless, it is worth a try to zeroize the image part with the
boot entry points for USB stick: MBR, pseudo-GPT, Apple Partition Map.
The quick way is:
# Make backup of USB boot equipment
dd if=debian-9.4.0-amd64-DVD-1.iso bs=2048 count=16 \
of=debian-9.4.0-amd64-DVD-1.system_area
# Overwrite USB boot equipment by zero-bytes
dd if=/dev/zero bs=2048 count=16 conv=notrunc of=debian-9.4.0-amd64-DVD-1.iso
The resulting ISO image is supposed to still boot from DVD.
But if you want to boot it by the Mac, nothing is for sure.
Better first try with the unaltered ISO image.
(When booting Debian, the quirks of MacOS are inconsequential.)
Have a nice day :)
Thomas
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